Subject: Re: Why disk capacity check for the directory where accounting file is on is done in kernel rather that userland?
To: None <tech-kern@NetBSD.ORG>
From: Christos Zoulas <firstname.lastname@example.org>
Date: 06/15/1997 17:00:26
In article <email@example.com> firstname.lastname@example.org (enami tsugutomo) writes:
>As described in my PR kern/3721, accounting file can't be on nfs,
>since kernel checks disk capacity during interrupt time.
Maybe proc0 could used in that case?
>Why this check is done in kernel rather than userland? (to get higher
>priority than any userland process?) And what is ``the own problem''
>mentioned in the comment of kern_acct.c when recording accounting
>information like klog?
Problems like buffering when the user space reader dies, or resynchronization
of the data.